ENMAX Energy Corporation

Proceeding to Approve Interim Market Power Mitigation Rules on a Final Basis

In proceeding 29093, the Alberta Electric System Operator (AESO) applied for the approval of new and amended market mitigation independent system operator (ISO) rules to be in effect by July 1, 2024. On June 19, 2024, the Alberta Utilities Commission (the Commission) approved the rules on an interim basis and subsequently initiated a proceeding to consider approving these rules on a final basis. Nine intervenors submit their intentions to participate in the proceeding along with their written statements.[1]



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Principles of Maximum Investment Levels (MILs) Decision

In proceeding 27658, the Alberta Utilities Commission (the Commission) issues its decision on whether it remains reasonable for electric distribution utilities to invest in new residential customer connections up to a prescribed maximum investment level (MIL). Additionally, the Commission issues its decision on whether MILs related to street lighting installed in developments should be paid to the municipality within which the development was constructed or to the developer. Ultimately the Commission concludes the continuation of MILs, albeit under four new governing principles, and it decides that MILs should be paid to the municipalities in which a new development is constructed.[1]



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The AESO’s Revised AMP Implementation Plan Application

In Proceeding 28441, the Alberta Electric System Operator (AESO) applies to the Alberta Utilities Commission (the Commission) for approval of its revised adjusted metering practice (AMP) implementation plan. In Decision 27047-D01-2022, the Commission denied approving the AESO’s previous AMP implementation plan and directed that if the AESO wanted to file another application, it would need to include:

  • AACE Class 3 estimates and forecast completion date for all scopes of work proposed in the implementation plan,
  • AACE Class 5 estimates for the total theoretical maximum cost of implementation across all phases; and
  • Quantification of the benefits of AMP implementation, including a cost-benefit analysis.

With these requirements in mind, the AESO submitted its revised application.



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Decision on ENMAX’s 2023-2025 Transmission General Tariff Application

In proceeding 27581, the Alberta Utilities Commission (the Commission) issues its decision regarding the 2023-2025 Transmission General Tariff Application of ENMAX Energy Corporation (ENAMX) in which ENMAX entered a negotiated settlement with interveners. The Commission notes that this decision was originally supposed to have been released in July of 2023, but was delayed after it was learned that ENMAX was being investigated by Commission Enforcement staff regarding the year-end capitalization of certain distribution and transmission projects. The investigation is ongoing, but the Commission understands that the investigation results are unlikely to have a material impact on this decision.[1]



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ENMAX Energy’s 2023-2024 Energy Price Setting Plan Decision

ENMAX Energy Corporation (ENMAX Energy) provides regulated rate option (RRO) services in ENMAX Power Corporation’s service territory. The Alberta Utilities Commission (the Commission) approves the RRO tariff through an energy price setting plan (EPSP) which sets the monthly RRO rate parameters. In Proceeding 27495, the Commission issues its decision regarding ENMAX Energy’s 2023-2024 EPSP. Key issues in this proceeding include ENMAX Energy’s proposals to amend its Letter of Credit (LOC) rates and how it calculates its Natural Gas Exchange (NGX) Collateral Costs, as well as the recommendations of the Utilities Consumers Advocate (UCA) to exclude the net commodity risk compensation (CRC) from ENMAX Energy’s energy return margin calculations and to limit ENMAX Energy’s monthly monitoring costs.[1]



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ENMAX Energy’s 2023-2024 Energy Price Setting Plan: Intervenor Arguments

ENMAX Energy Corporation (ENMAX Energy) provides regulated rate option (RRO) services in ENMAX Power Corporation’s service territory; however, the Commission must approve the RRO tariff through an energy price setting plan (EPSP). In Proceeding 27495, ENMAX Energy’s application proposes to continue its previous EPSP with several refinements. After examining the application and submitting information requests, the Utilities Consumer Advocate (UCA) argues against certain aspects of ENMAX Energy’s proposal.[1]



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The Commission’s Decision on the CCA’s Cost Claim Review and Variance Application

In Proceeding 27666, the Alberta Utility Commission (the Commission) issues its decision regarding the review and variance application of the Consumers’ Coalition of Alberta (CCA), arguing that their 40 percent cost claim disallowance was inconsistent, punitive, and punishing. However, the CCA did not persuade the Commission that there were errors in the initial decision. Therefore, the disallowance stands.[1]



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